Ok, in 1940 the war as just started or was about to start (for Italy and Japan) and things were going fairly well. In Germany and Italy airlines and governments started to plan for the expected post-war increase in air traffic, expecially on the Atlantic routes (sound familiar?).
empire of japan
kingdom of italy
ministry of aeronautics (kingdom of italy)
ministry of communications and transport (japan)
ministry of munitions (empire of japan)
ministry of the air force (kingdom of italy)
world war ii
This is the Zeppelin project for a long-rage, high capacity land-based airliner. Only data I have are: 4 engines, 2000 hp each (actually this could be, 4 double engines, i.e. two 2000 HP-each engines coupled); structure similar to ZSO 523; hatch in the nose; upper deck arranged with 1st class...